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-rw-r--r--src/glsl/ir.cpp20
1 files changed, 19 insertions, 1 deletions
diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
index 0ae9b899c0a..9c58f869dc4 100644
--- a/src/glsl/ir.cpp
+++ b/src/glsl/ir.cpp
@@ -1543,12 +1543,30 @@ ir_swizzle::variable_referenced() const
}
+const char ir_variable::tmp_name[] = "compiler_temp";
+
ir_variable::ir_variable(const struct glsl_type *type, const char *name,
ir_variable_mode mode)
: ir_instruction(ir_type_variable)
{
this->type = type;
- this->name = ralloc_strdup(this, name);
+
+ /* The ir_variable clone method may call this constructor with name set to
+ * tmp_name.
+ */
+ assert(name != NULL
+ || mode == ir_var_temporary
+ || mode == ir_var_function_in
+ || mode == ir_var_function_out
+ || mode == ir_var_function_inout);
+ assert(name != ir_variable::tmp_name
+ || mode == ir_var_temporary);
+ if (mode == ir_var_temporary
+ && (name == NULL || name == ir_variable::tmp_name)) {
+ this->name = ir_variable::tmp_name;
+ } else {
+ this->name = ralloc_strdup(this, name);
+ }
this->u.max_ifc_array_access = NULL;